Life Should Have An Undo Button...

Mistakes are done Accidentally..We Can Just Resist them by our Level Best..ButSometimes We Realize Something Should have done More Carefully,Sometimes We Fail to Value Something or Someone in the past,OrSometimes We think If we would not have done somethingthen the Result would have Different.. !Then We Think 'n Wish It Would have an Undo Button in Life.. !